Home / 219,864.57-329,815.34-70,126.14

Finding the Fourth Proportional to 219,864.57, 329,815.34 and 70,126.14

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Solution

The fourth proportional to 219,864.57, 329,815.34 and 70,126.14 is: 105,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,864.57 : 329,815.34 = 70,126.14 : x
  2. Step 2: Convert to fraction form
    219,864.57/329,815.34 = 70,126.14/x
  3. Step 3: Cross multiply
    219,864.57x = 329,815.34 × 70,126.14
  4. Step 4: Simplify right side
    219,864.57x = 23,128,676,706.99
  5. Step 5: Solve for x
    x = 23,128,676,706.99/219,864.57
  6. Step 6: Final answer
    x = 105,195.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.